All F-1 and J-1 international students need to enroll full time to maintain their legal visa status.
Some Schools and Departments can have higher enrollment requirements. Please check with your School/Department.
This means that the following are not exceptions to full time enrollment:
In other words international students need to be enrolled, in some form, each and every quarter they are at Stanford, including their last one. The only exceptions are described above.
The I-Center uses Stanford University systems to determine if a student is fully enrolled.